1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #include <stdint.h> 6 #include <memory.h> 7 8 #include <rte_log.h> 9 #include <rte_mbuf.h> 10 #include <rte_debug.h> 11 #include <rte_ethdev.h> 12 #include <rte_mempool.h> 13 #include <rte_sched.h> 14 #include <rte_cycles.h> 15 #include <rte_string_fns.h> 16 #include <rte_cfgfile.h> 17 18 #include "main.h" 19 #include "cfg_file.h" 20 21 uint32_t app_numa_mask = 0; 22 static uint32_t app_inited_port_mask = 0; 23 24 int app_pipe_to_profile[MAX_SCHED_SUBPORTS][MAX_SCHED_PIPES]; 25 26 #define MAX_NAME_LEN 32 27 28 struct ring_conf ring_conf = { 29 .rx_size = APP_RX_DESC_DEFAULT, 30 .ring_size = APP_RING_SIZE, 31 .tx_size = APP_TX_DESC_DEFAULT, 32 }; 33 34 struct burst_conf burst_conf = { 35 .rx_burst = MAX_PKT_RX_BURST, 36 .ring_burst = PKT_ENQUEUE, 37 .qos_dequeue = PKT_DEQUEUE, 38 .tx_burst = MAX_PKT_TX_BURST, 39 }; 40 41 struct ring_thresh rx_thresh = { 42 .pthresh = RX_PTHRESH, 43 .hthresh = RX_HTHRESH, 44 .wthresh = RX_WTHRESH, 45 }; 46 47 struct ring_thresh tx_thresh = { 48 .pthresh = TX_PTHRESH, 49 .hthresh = TX_HTHRESH, 50 .wthresh = TX_WTHRESH, 51 }; 52 53 uint32_t nb_pfc; 54 const char *cfg_profile = NULL; 55 int mp_size = NB_MBUF; 56 struct flow_conf qos_conf[MAX_DATA_STREAMS]; 57 58 static struct rte_eth_conf port_conf = { 59 .rxmode = { 60 .max_rx_pkt_len = ETHER_MAX_LEN, 61 .split_hdr_size = 0, 62 }, 63 .txmode = { 64 .mq_mode = ETH_DCB_NONE, 65 }, 66 }; 67 68 static int 69 app_init_port(uint16_t portid, struct rte_mempool *mp) 70 { 71 int ret; 72 struct rte_eth_link link; 73 struct rte_eth_dev_info dev_info; 74 struct rte_eth_rxconf rx_conf; 75 struct rte_eth_txconf tx_conf; 76 uint16_t rx_size; 77 uint16_t tx_size; 78 struct rte_eth_conf local_port_conf = port_conf; 79 80 /* check if port already initialized (multistream configuration) */ 81 if (app_inited_port_mask & (1u << portid)) 82 return 0; 83 84 rx_conf.rx_thresh.pthresh = rx_thresh.pthresh; 85 rx_conf.rx_thresh.hthresh = rx_thresh.hthresh; 86 rx_conf.rx_thresh.wthresh = rx_thresh.wthresh; 87 rx_conf.rx_free_thresh = 32; 88 rx_conf.rx_drop_en = 0; 89 rx_conf.rx_deferred_start = 0; 90 91 tx_conf.tx_thresh.pthresh = tx_thresh.pthresh; 92 tx_conf.tx_thresh.hthresh = tx_thresh.hthresh; 93 tx_conf.tx_thresh.wthresh = tx_thresh.wthresh; 94 tx_conf.tx_free_thresh = 0; 95 tx_conf.tx_rs_thresh = 0; 96 tx_conf.tx_deferred_start = 0; 97 98 /* init port */ 99 RTE_LOG(INFO, APP, "Initializing port %"PRIu16"... ", portid); 100 fflush(stdout); 101 rte_eth_dev_info_get(portid, &dev_info); 102 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 103 local_port_conf.txmode.offloads |= 104 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 105 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); 106 if (ret < 0) 107 rte_exit(EXIT_FAILURE, 108 "Cannot configure device: err=%d, port=%u\n", 109 ret, portid); 110 111 rx_size = ring_conf.rx_size; 112 tx_size = ring_conf.tx_size; 113 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &rx_size, &tx_size); 114 if (ret < 0) 115 rte_exit(EXIT_FAILURE, 116 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d,port=%u\n", 117 ret, portid); 118 ring_conf.rx_size = rx_size; 119 ring_conf.tx_size = tx_size; 120 121 /* init one RX queue */ 122 fflush(stdout); 123 rx_conf.offloads = local_port_conf.rxmode.offloads; 124 ret = rte_eth_rx_queue_setup(portid, 0, (uint16_t)ring_conf.rx_size, 125 rte_eth_dev_socket_id(portid), &rx_conf, mp); 126 if (ret < 0) 127 rte_exit(EXIT_FAILURE, 128 "rte_eth_tx_queue_setup: err=%d, port=%u\n", 129 ret, portid); 130 131 /* init one TX queue */ 132 fflush(stdout); 133 tx_conf.offloads = local_port_conf.txmode.offloads; 134 ret = rte_eth_tx_queue_setup(portid, 0, 135 (uint16_t)ring_conf.tx_size, rte_eth_dev_socket_id(portid), &tx_conf); 136 if (ret < 0) 137 rte_exit(EXIT_FAILURE, 138 "rte_eth_tx_queue_setup: err=%d, port=%u queue=%d\n", 139 ret, portid, 0); 140 141 /* Start device */ 142 ret = rte_eth_dev_start(portid); 143 if (ret < 0) 144 rte_exit(EXIT_FAILURE, 145 "rte_pmd_port_start: err=%d, port=%u\n", 146 ret, portid); 147 148 printf("done: "); 149 150 /* get link status */ 151 rte_eth_link_get(portid, &link); 152 if (link.link_status) { 153 printf(" Link Up - speed %u Mbps - %s\n", 154 (uint32_t) link.link_speed, 155 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 156 ("full-duplex") : ("half-duplex\n")); 157 } else { 158 printf(" Link Down\n"); 159 } 160 rte_eth_promiscuous_enable(portid); 161 162 /* mark port as initialized */ 163 app_inited_port_mask |= 1u << portid; 164 165 return 0; 166 } 167 168 static struct rte_sched_subport_params subport_params[MAX_SCHED_SUBPORTS] = { 169 { 170 .tb_rate = 1250000000, 171 .tb_size = 1000000, 172 173 .tc_rate = {1250000000, 1250000000, 1250000000, 1250000000}, 174 .tc_period = 10, 175 }, 176 }; 177 178 static struct rte_sched_pipe_params pipe_profiles[RTE_SCHED_PIPE_PROFILES_PER_PORT] = { 179 { /* Profile #0 */ 180 .tb_rate = 305175, 181 .tb_size = 1000000, 182 183 .tc_rate = {305175, 305175, 305175, 305175}, 184 .tc_period = 40, 185 #ifdef RTE_SCHED_SUBPORT_TC_OV 186 .tc_ov_weight = 1, 187 #endif 188 189 .wrr_weights = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 190 }, 191 }; 192 193 struct rte_sched_port_params port_params = { 194 .name = "port_scheduler_0", 195 .socket = 0, /* computed */ 196 .rate = 0, /* computed */ 197 .mtu = 6 + 6 + 4 + 4 + 2 + 1500, 198 .frame_overhead = RTE_SCHED_FRAME_OVERHEAD_DEFAULT, 199 .n_subports_per_port = 1, 200 .n_pipes_per_subport = 4096, 201 .qsize = {64, 64, 64, 64}, 202 .pipe_profiles = pipe_profiles, 203 .n_pipe_profiles = sizeof(pipe_profiles) / sizeof(struct rte_sched_pipe_params), 204 205 #ifdef RTE_SCHED_RED 206 .red_params = { 207 /* Traffic Class 0 Colors Green / Yellow / Red */ 208 [0][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 209 [0][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 210 [0][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 211 212 /* Traffic Class 1 - Colors Green / Yellow / Red */ 213 [1][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 214 [1][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 215 [1][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 216 217 /* Traffic Class 2 - Colors Green / Yellow / Red */ 218 [2][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 219 [2][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 220 [2][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 221 222 /* Traffic Class 3 - Colors Green / Yellow / Red */ 223 [3][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 224 [3][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}, 225 [3][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9} 226 } 227 #endif /* RTE_SCHED_RED */ 228 }; 229 230 static struct rte_sched_port * 231 app_init_sched_port(uint32_t portid, uint32_t socketid) 232 { 233 static char port_name[32]; /* static as referenced from global port_params*/ 234 struct rte_eth_link link; 235 struct rte_sched_port *port = NULL; 236 uint32_t pipe, subport; 237 int err; 238 239 rte_eth_link_get(portid, &link); 240 241 port_params.socket = socketid; 242 port_params.rate = (uint64_t) link.link_speed * 1000 * 1000 / 8; 243 snprintf(port_name, sizeof(port_name), "port_%d", portid); 244 port_params.name = port_name; 245 246 port = rte_sched_port_config(&port_params); 247 if (port == NULL){ 248 rte_exit(EXIT_FAILURE, "Unable to config sched port\n"); 249 } 250 251 for (subport = 0; subport < port_params.n_subports_per_port; subport ++) { 252 err = rte_sched_subport_config(port, subport, &subport_params[subport]); 253 if (err) { 254 rte_exit(EXIT_FAILURE, "Unable to config sched subport %u, err=%d\n", 255 subport, err); 256 } 257 258 for (pipe = 0; pipe < port_params.n_pipes_per_subport; pipe ++) { 259 if (app_pipe_to_profile[subport][pipe] != -1) { 260 err = rte_sched_pipe_config(port, subport, pipe, 261 app_pipe_to_profile[subport][pipe]); 262 if (err) { 263 rte_exit(EXIT_FAILURE, "Unable to config sched pipe %u " 264 "for profile %d, err=%d\n", pipe, 265 app_pipe_to_profile[subport][pipe], err); 266 } 267 } 268 } 269 } 270 271 return port; 272 } 273 274 static int 275 app_load_cfg_profile(const char *profile) 276 { 277 if (profile == NULL) 278 return 0; 279 struct rte_cfgfile *file = rte_cfgfile_load(profile, 0); 280 if (file == NULL) 281 rte_exit(EXIT_FAILURE, "Cannot load configuration profile %s\n", profile); 282 283 cfg_load_port(file, &port_params); 284 cfg_load_subport(file, subport_params); 285 cfg_load_pipe(file, pipe_profiles); 286 287 rte_cfgfile_close(file); 288 289 return 0; 290 } 291 292 int app_init(void) 293 { 294 uint32_t i; 295 char ring_name[MAX_NAME_LEN]; 296 char pool_name[MAX_NAME_LEN]; 297 298 if (rte_eth_dev_count_avail() == 0) 299 rte_exit(EXIT_FAILURE, "No Ethernet port - bye\n"); 300 301 /* load configuration profile */ 302 if (app_load_cfg_profile(cfg_profile) != 0) 303 rte_exit(EXIT_FAILURE, "Invalid configuration profile\n"); 304 305 /* Initialize each active flow */ 306 for(i = 0; i < nb_pfc; i++) { 307 uint32_t socket = rte_lcore_to_socket_id(qos_conf[i].rx_core); 308 struct rte_ring *ring; 309 310 snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].rx_core); 311 ring = rte_ring_lookup(ring_name); 312 if (ring == NULL) 313 qos_conf[i].rx_ring = rte_ring_create(ring_name, ring_conf.ring_size, 314 socket, RING_F_SP_ENQ | RING_F_SC_DEQ); 315 else 316 qos_conf[i].rx_ring = ring; 317 318 snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].tx_core); 319 ring = rte_ring_lookup(ring_name); 320 if (ring == NULL) 321 qos_conf[i].tx_ring = rte_ring_create(ring_name, ring_conf.ring_size, 322 socket, RING_F_SP_ENQ | RING_F_SC_DEQ); 323 else 324 qos_conf[i].tx_ring = ring; 325 326 327 /* create the mbuf pools for each RX Port */ 328 snprintf(pool_name, MAX_NAME_LEN, "mbuf_pool%u", i); 329 qos_conf[i].mbuf_pool = rte_pktmbuf_pool_create(pool_name, 330 mp_size, burst_conf.rx_burst * 4, 0, 331 RTE_MBUF_DEFAULT_BUF_SIZE, 332 rte_eth_dev_socket_id(qos_conf[i].rx_port)); 333 if (qos_conf[i].mbuf_pool == NULL) 334 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool for socket %u\n", i); 335 336 app_init_port(qos_conf[i].rx_port, qos_conf[i].mbuf_pool); 337 app_init_port(qos_conf[i].tx_port, qos_conf[i].mbuf_pool); 338 339 qos_conf[i].sched_port = app_init_sched_port(qos_conf[i].tx_port, socket); 340 } 341 342 RTE_LOG(INFO, APP, "time stamp clock running at %" PRIu64 " Hz\n", 343 rte_get_timer_hz()); 344 345 RTE_LOG(INFO, APP, "Ring sizes: NIC RX = %u, Mempool = %d SW queue = %u," 346 "NIC TX = %u\n", ring_conf.rx_size, mp_size, ring_conf.ring_size, 347 ring_conf.tx_size); 348 349 RTE_LOG(INFO, APP, "Burst sizes: RX read = %hu, RX write = %hu,\n" 350 " Worker read/QoS enqueue = %hu,\n" 351 " QoS dequeue = %hu, Worker write = %hu\n", 352 burst_conf.rx_burst, burst_conf.ring_burst, burst_conf.ring_burst, 353 burst_conf.qos_dequeue, burst_conf.tx_burst); 354 355 RTE_LOG(INFO, APP, "NIC thresholds RX (p = %hhu, h = %hhu, w = %hhu)," 356 "TX (p = %hhu, h = %hhu, w = %hhu)\n", 357 rx_thresh.pthresh, rx_thresh.hthresh, rx_thresh.wthresh, 358 tx_thresh.pthresh, tx_thresh.hthresh, tx_thresh.wthresh); 359 360 return 0; 361 } 362